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Zanzi
  • Member for 6 years, 8 months
  • Last seen more than 1 year ago
  • France
7 votes
0 answers
115 views

Isomorphism and group product [duplicate]

5 votes
1 answer
703 views

Finding the integral closure of $\mathbb{Z}$ in $\mathbb{Q}[i]$

5 votes
1 answer
136 views

Proof of algebraic set involving dimension

4 votes
3 answers
63 views

Asymptotic behaviour of $f$ and $f'+f$

4 votes
1 answer
350 views

Sequence of polygons converging

3 votes
1 answer
109 views

Weak convergence in $W^{1,p}(\mathbb{R})$

3 votes
2 answers
81 views

Proof of $(a+b)^x=a^x+b^x$ implies $x=1$

3 votes
1 answer
414 views

Decomposition as a product of irreducible elements

3 votes
1 answer
50 views

Example of nilpotent matrix such that $0$ is not in the closure of the similarity class of $A$

2 votes
1 answer
579 views

Correspondence between prime ideals and irreducible algebraic sets

2 votes
2 answers
81 views

Locus of intersecting circles

2 votes
0 answers
112 views

Why $\mathrm{SU}_2(\mathbb{C})/\lbrace \pm 1 \rbrace \cong \mathrm{SO}_3(\mathbb{R})$ is exceptionnal?

2 votes
1 answer
69 views

A simple calculation about distribution in the plane $\mathbb{R}^2$.

1 vote
0 answers
225 views

A relation with geodesics on surfaces of revolution

1 vote
0 answers
87 views

Polynomial function in several variables

1 vote
2 answers
562 views

Noether normalization lemma proof

1 vote
1 answer
1k views

Noether's normalization lemma in practice (example)

1 vote
0 answers
28 views

Proof that a point is sable in linear system

1 vote
1 answer
65 views

Tangent plane and differential

1 vote
0 answers
205 views

Berlekamp algorithm

0 votes
0 answers
47 views

Convergence of iterative methods to solve linear system

0 votes
0 answers
38 views

Maximal ideal of subalgebra over a field [duplicate]